11. These small proteins are also known for their compact and closely packed three-dimensional structures. 12. I still think the Pac-10 is a closely packed group, 13. The fire of these two guns inflicted massive casualties on Colonna's closely packed cavalry. 14. New roots were growing, closely packed , around the dying roots. 15. It refers to the closely packed berries the species produce. 16. Ulexite is also found in a vein-like bedding habit composed of closely packed fibrous crystals. 17. Fibril bundles are organized to form fibres with the elongated tenocytes closely packed between them. 18. "L . obcordata " grows to a height of, producing many branches closely packed together. 19. In a solid the particles ( ions, atoms or molecules ) are closely packed together. 20. Closely packed LEDs can also create thermal management issues.